<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <ul id="list"></ul>
    <script>
        var arr = [
            { "name": "小明", "age": 12, "sex": "男" },
            { "name": "小红", "age": 11, "sex": "女" },
            { "name": "小强", "age": 13, "sex": "男" },
        ]

        var list = document.getElementById('list');

        //遍历arr数组,每遍历一项,就以字符串的视角将html字符串添加到list中
        for (let i = 0; i < arr.length; i++) {
            list.innerHTML += [
                "<li>",
                "  <div class='hd'>" + arr[i].name + "</div>",
                "  <div class='bd'>",
                "    <p>姓名:" + arr[i].name + "</p>",
                "    <p>年龄:" + arr[i].age + "</p>",
                "    <p>性别:" + arr[i].sex + "</p>",
                "  </div>",
                "</li>",
            ].join('');
        }
    </script>
</body>

</html>